string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E8%AF%95%E5%8D%B7%E5%88%86%E6%95%B0%E5%88%86%E5%B8%83 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
一建试卷分数分布
